FR1596367A - - Google Patents
Info
- Publication number
- FR1596367A FR1596367A FR1596367DA FR1596367A FR 1596367 A FR1596367 A FR 1596367A FR 1596367D A FR1596367D A FR 1596367DA FR 1596367 A FR1596367 A FR 1596367A
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/58—Arrangements for focusing or reflecting ray or beam
- H01J29/62—Electrostatic lenses
- H01J29/626—Electrostatic lenses producing fields exhibiting periodic axial symmetry, e.g. multipolar fields
- H01J29/628—Electrostatic lenses producing fields exhibiting periodic axial symmetry, e.g. multipolar fields co-operating with or closely associated to an electron gun
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/48—Electron guns
- H01J29/485—Construction of the gun or of parts thereof
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL6717636A NL6717636A (fi) | 1967-12-22 | 1967-12-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1596367A true FR1596367A (fi) | 1970-06-15 |
Family
ID=19802089
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1596367D Expired FR1596367A (fi) | 1967-12-22 | 1968-12-23 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3497763A (fi) |
BE (1) | BE725861A (fi) |
DE (1) | DE1812024A1 (fi) |
FR (1) | FR1596367A (fi) |
GB (1) | GB1177319A (fi) |
NL (1) | NL6717636A (fi) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1180966B (de) * | 1959-11-10 | 1964-11-05 | Robert Thomas Lewis | Rahmen fuer Filme, insbesondere Diapositive |
DE1284656B (de) * | 1964-03-03 | 1968-12-05 | Philipp Hans Juergen | Wechselrahmen fuer Diapositive |
JPS4819097B1 (fi) * | 1969-07-23 | 1973-06-11 | ||
US4130775A (en) * | 1977-01-17 | 1978-12-19 | Tektronix, Inc. | Charge image charge transfer cathode ray tube having a scan expansion electron lens system and collimation electrode means |
NL178374C (nl) * | 1977-11-24 | 1986-03-03 | Philips Nv | Elektronenstraalbuis met niet-rotatiesymmetrische elektronenlens tussen eerste en tweede rooster. |
NL175002C (nl) * | 1977-11-24 | 1984-09-03 | Philips Nv | Kathodestraalbuis met tenminste een elektronenkanon. |
US4399388A (en) * | 1980-10-16 | 1983-08-16 | Tokyo Shibaura Denki Kabushiki Kaisha | Picture tube with an electron gun having non-circular aperture |
US4558253A (en) * | 1983-04-18 | 1985-12-10 | Rca Corporation | Color picture tube having an inline electron gun with asymmetric focusing lens |
US4608515A (en) * | 1985-04-30 | 1986-08-26 | Rca Corporation | Cathode-ray tube having a screen grid with asymmetric beam focusing means and refraction lens means formed therein |
FR2705164B1 (fr) * | 1993-05-10 | 1995-07-13 | Thomson Tubes & Displays | Tube image couleurs à canons à électrons en ligne avec lentilles astigmatiques. |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2919381A (en) * | 1956-07-25 | 1959-12-29 | Farrand Optical Co Inc | Electron lens |
NL108855C (fi) * | 1956-09-07 | |||
US2988660A (en) * | 1958-07-02 | 1961-06-13 | Gen Dynamics Corp | Electro optical system in a cathode ray tube |
US3349269A (en) * | 1963-11-29 | 1967-10-24 | Stromberg Carlson Corp | Astigmatic lens arrangement for cathode ray tubes |
US3373310A (en) * | 1964-07-17 | 1968-03-12 | E H Res Lab Inc | Cathode ray tube selective deflection amplifier using a quadrupole lens of critical length |
US3376449A (en) * | 1967-01-20 | 1968-04-02 | Ion Physics Corp | Electrostatic quadrapole lens assembly with transverse intermediate termination elements of resistive material joining together the quadrapole electrodes for preventing beam aberration |
-
1967
- 1967-12-22 NL NL6717636A patent/NL6717636A/xx unknown
-
1968
- 1968-11-30 DE DE19681812024 patent/DE1812024A1/de active Pending
- 1968-12-06 US US781746A patent/US3497763A/en not_active Expired - Lifetime
- 1968-12-19 GB GB60381/68A patent/GB1177319A/en not_active Expired
- 1968-12-20 BE BE725861D patent/BE725861A/xx unknown
- 1968-12-23 FR FR1596367D patent/FR1596367A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3497763A (en) | 1970-02-24 |
DE1812024A1 (de) | 1969-12-04 |
BE725861A (fi) | 1969-06-20 |
GB1177319A (en) | 1970-01-07 |
NL6717636A (fi) | 1969-06-24 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |